WO2016093194A1 - 生体電極および衣類 - Google Patents

生体電極および衣類 Download PDF

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Publication number
WO2016093194A1
WO2016093194A1 PCT/JP2015/084270 JP2015084270W WO2016093194A1 WO 2016093194 A1 WO2016093194 A1 WO 2016093194A1 JP 2015084270 W JP2015084270 W JP 2015084270W WO 2016093194 A1 WO2016093194 A1 WO 2016093194A1
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WO
WIPO (PCT)
Prior art keywords
clothing
connector
living body
insulating
contact
Prior art date
Application number
PCT/JP2015/084270
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
和彦 高河原
龍介 川野
石原　隆子
倫子 瀬山
笠原　亮一
佐藤　康博
篤 堀内
佐藤　雅伸
石川　恵美子
竹田　恵司
典子 長井
Original Assignee
日本電信電話株式会社
東レ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=56107378&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2016093194(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 日本電信電話株式会社, 東レ株式会社 filed Critical 日本電信電話株式会社
Priority to KR1020177015675A priority Critical patent/KR101979335B1/ko
Priority to EP15868269.0A priority patent/EP3231364B1/en
Priority to ES15868269T priority patent/ES2784656T3/es
Priority to CN201580066592.XA priority patent/CN107249448B/zh
Priority to JP2016563668A priority patent/JP6386582B2/ja
Priority to CA2969646A priority patent/CA2969646C/en
Priority to AU2015362507A priority patent/AU2015362507B2/en
Priority to US15/533,982 priority patent/US10799136B2/en
Publication of WO2016093194A1 publication Critical patent/WO2016093194A1/ja

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/6804—Garments; Clothes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/22—Arrangements of medical sensors with cables or leads; Connectors or couplings specifically adapted for medical sensors
    • A61B2562/221—Arrangements of sensors with cables or leads, e.g. cable harnesses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/22—Arrangements of medical sensors with cables or leads; Connectors or couplings specifically adapted for medical sensors
    • A61B2562/225—Connectors or couplings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A61B5/282—Holders for multiple electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/0404—Electrodes for external use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/0404—Electrodes for external use
    • A61N1/0472—Structure-related aspects
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/0404—Electrodes for external use
    • A61N1/0472—Structure-related aspects
    • A61N1/0484—Garment electrodes worn by the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/0404—Electrodes for external use
    • A61N1/0472—Structure-related aspects
    • A61N1/0488—Details about the lead

Definitions

  • the present invention relates to a bioelectrode for measuring a bioelectric signal such as an electrocardiogram, and clothing on which the bioelectrode is fixed.
  • Bioelectric electrodes attached to the body surface are widely used for recording bioelectric signals such as electroencephalogram, event-related potential, evoked potential, myoelectric potential, and cardiac potential, and for electrical stimulation of the living body.
  • bioelectric signals such as electroencephalogram, event-related potential, evoked potential, myoelectric potential, and cardiac potential
  • an electrocardiogram waveform is recorded over a long period of time, and by analyzing the change in the waveform, it is possible to detect autonomic disturbances and signs of heart disease at an early stage. It is known to be effective in preventive medicine.
  • the related wearable electrode cannot secure electrical insulation between the electrode part, connector, wiring, and other conductors and clothing when the wearer sweats or is used in rainy weather.
  • the bioelectric signal detected in the clothing part is mixed with the bioelectric signal acquired from the electrode unit, so that a desired bioelectric signal cannot be acquired, or a plurality of electrodes are electrically short-circuited to generate a bioelectric signal.
  • rain is not an electrolytic solution, but rain may act as an electrolytic solution due to the influence of acid rain or the like.
  • the present invention has been made to solve the above-described problems, and enables a desired bioelectric signal to be acquired even if the clothes become wet with sweat after attaching the bioelectrode to the clothes. There is.
  • the bioelectrode according to the present invention includes an attachment member made of an electrically insulating member fixed to a surface of clothing that comes into contact with the living body, and an electrode portion made of a conductive member fixed to the surface of the attachment member that makes contact with the living body.
  • the electrode portion, the connector, and the wiring are attached to the electrically insulating mounting member, and the portion of the surface of the wiring that comes into contact with the living body is covered with the electrically insulating first insulating member. Accordingly, in the present invention, even after the attachment member is attached to the garment, even if the garment becomes wet with sweat or the like, a short circuit between the wiring and the living body or a short circuit between the plurality of electrode portions is prevented. And a desired bioelectric signal can be obtained.
  • FIG. 1 is a schematic view showing a state in which a wearable electrode according to a first embodiment of the present invention is attached to a living body.
  • FIG. 2 is a cross-sectional view of the wearable electrode according to the first embodiment of the present invention.
  • FIG. 3 is a cross-sectional view showing another example of the wearable electrode according to the first embodiment of the present invention.
  • FIG. 4 is a schematic view showing a state where the wearable electrode according to the second embodiment of the present invention is attached to a living body.
  • FIG. 5 is a cross-sectional view of a wearable electrode according to a second embodiment of the present invention.
  • FIG. 6 is a cross-sectional view showing another example of a wearable electrode according to the second embodiment of the present invention.
  • FIG. 1 is a schematic view showing a state in which a wearable electrode according to a first embodiment of the present invention is attached to a living body.
  • FIG. 2 is a cross-sectional view of the wearable electrode according to the
  • FIG. 7 is a cross-sectional view illustrating another example of a wearable electrode according to the second embodiment of the present invention.
  • FIG. 8 is a schematic view showing a state in which the wearable electrode according to the third embodiment of the present invention is attached to a living body.
  • FIG. 9 is a cross-sectional view of a wearable electrode according to a third embodiment of the present invention.
  • FIG. 1 is a schematic view showing a state where a wearable electrode according to a first embodiment of the present invention is mounted on a living body
  • FIG. 2 is a cross-sectional view taken along the line AA ′ of the wearable electrode of FIG. In FIG. 2, only one set of electrode portion, wiring, and connector are shown.
  • the wearable electrode according to the present embodiment has two electrode portions 1101a and 1101b made of a conductive fiber structure in contact with a living body 1000 (wearer), and a bioelectric signal for detecting and processing a bioelectric signal acquired by the electrode portions 1101a and 1101b.
  • Connectors 1102a and 1102b for connecting the signal measuring device, wirings 1103a and 1103b for electrically connecting the electrode portions 1101a and 1101b and the connectors 1102a and 1102b, and the surface of the wirings 1103a and 1103b, and the living body 1000 are in contact with each other
  • a waterproof and electrically insulating insulating member 1105 covering a portion to be attached, and a mounting member comprising a waterproof and electrically insulating member for fixing the electrode portions 1101a and 1101b, the connectors 1102a and 1102b, and the wirings 1103a and 1103b 1106 and the attachment member 11 6 is composed of clothing 1100. fixed.
  • the number of electrode portions 1101a and 1101b is not particularly limited as long as it is one or more.
  • the positions of the electrode portions 1101a and 1101b are not particularly limited in the present invention, and may be changed according to the type of bioelectric signal to be detected. For example, if the detection target is an electrocardiographic waveform, the electrode portions 1101a and 1101b may be installed one on each of the left and right sides of the heart of the living body 1000. If the detection target is a myoelectric potential, the target is the living body 1000. Two electrode portions 1101a and 1101b may be provided on the muscle, but the arrangement and number of the electrode portions 1101a and 1101b do not define the present invention.
  • the conductive fiber structure that constitutes the electrode parts 1101a and 1101b is not particularly limited, but a metal such as silver, copper, gold, and stainless steel is processed into fine wires to give flexibility, and the above-described one is a fabric.
  • a material obtained by plating a metal on a fiber material, a carbon fiber, a material obtained by impregnating a fiber material with a conductive polymer, or the like can be used.
  • PEDOT / PSS in which polystyrene 3,6 (ethylene dioxythiophene) (PEDOT) is doped with polystyrene sulfonic acid (poly-4-styrene sulfonate; PSS) is used as the conductive polymer.
  • the material impregnated with the material is particularly suitable as an electrode part from the viewpoints of safety and workability.
  • the electrode portions 1101a and 1101b are fixed to the surface of the attachment member 1106 that contacts the living body 1000.
  • the attachment member 1106 is used in order to prevent the clothes 1100 serving as a conductor when the electrolyte is contained and the electrodes 1101a and 1101b from being electrically short-circuited. It is desirable to take a technique that does not open a hole penetrating the front and back of the. Specifically, there are a method of fixing by pressing at least a part of the outer periphery of the electrode portions 1101a and 1101b with an adhesive tape, a method of fixing by adhesion, and the like.
  • the adhesive used for bonding the electrode portions 1101a and 1101b is not particularly limited, and a resin that can be fused at 100 to 180 ° C. can be used.
  • a resin that can be fused at 100 to 180 ° C. examples include polyester, nylon, polyurethane, and a mixture thereof, but are not limited to these resins.
  • Examples of the adhesive tape used for fixing the electrode portions 1101a and 1101b include a non-porous film made of a synthetic resin such as polyurethane, polyester, and nylon having a thickness of 10 to 100 ⁇ m, a microporous film having a water-repellent periphery around the pores, or What uses the film which filled the space
  • a waterproof tape in which an adhesive layer such as hot melt is laminated on at least one surface of this base material is particularly suitable as an adhesive tape.
  • the electrode portions 1101a and 1101b When printing conductive resin as the wirings 1103a and 1103b, after fixing the electrode portions 1101a and 1101b to the mounting member 1106, print the conductive resin so that electrical connection with the electrode portions 1101a and 1101b can be obtained. Alternatively, after printing the conductive resin, the electrode portions 1101a and 1101b may be fixed to the attachment member 1106 so that electrical connection with the conductive resin can be obtained.
  • a conductive resin film is used as the wirings 1103a and 1103b
  • the conductive resin is used so that electrical connection with the electrode portions 1101a and 1101b can be obtained.
  • a film may be attached to the attachment member 1106, or the electrode portions 1101a and 1101b may be attached to the attachment member 1106 so that electrical connection with the conductive resin film is obtained after the conductive resin film is attached. It may be fixed to.
  • the wirings 1103a and 1103b may be fixed after the electrode parts 1101a and 1101b, or the wirings 1103a and 1103b may be provided before the electrode parts 1101a and 1101b.
  • the electrode portions 1101a and 1101b and the wirings 1103a and 1103b can be integrally formed when a conductive fiber structure is used.
  • a non-porous film made of a synthetic resin such as polyurethane, polyester, nylon, etc.
  • a microporous film whose pores are made water-repellent or a fiber
  • a waterproof tape in which an adhesive layer such as hot melt is laminated on at least one surface of this base material is particularly suitable as an adhesive tape.
  • a shunt resistor is inserted into the signal path of the bioelectric signal acquired by the electrode portions 1101a and 1101b, and the desired bioelectric signal input to the measuring apparatus is attenuated. Resulting in. Therefore, it is preferable to cover the wirings 1103a and 1103b with an insulating member 1105 as shown in FIG.
  • the above-mentioned adhesive tape may be used as the insulating member 1105, and the fixing of the wirings 1103a and 1103b and the insulating coating may be achieved simultaneously.
  • the connectors 1102a and 1102b are fixed to the mounting member 1106 so that the conductive portion for connection with the bioelectric signal measuring device is exposed on the surface in contact with the living body 1000.
  • the connectors 1102a and 1102b in order not to give the wearer a sense of incongruity, it is preferable to use members conventionally used for attaching and detaching clothes such as metal dot buttons, conductive wire fasteners, and conductive surface fasteners.
  • the connectors 1102a and 1102b in order to prevent the clothing 1100, which becomes a conductor when containing the electrolyte, and the connectors 1102a and 1102b and the wirings 1103a and 1103b from being electrically short-circuited, It is desirable to adopt a method in which a hole penetrating the front and back of the attachment member 1106 is not formed.
  • conductive surface fasteners when conductive surface fasteners are used as the connectors 1102a and 1102b, there are a method of fixing the conductive surface fasteners by pressing them with an adhesive tape, a method of fixing them by adhesion, and the like.
  • the adhesive tape used for fixing the conductive surface fastener the above-mentioned waterproof tape is particularly suitable.
  • the mounting member 1106 is not particularly limited as long as it is a waterproof and electrically insulating member.
  • a synthetic resin material such as polyurethane, polyester, nylon, or the like can be used.
  • the attachment member 1106 when exposed to a large amount of moisture, moisture is carried in the gap between the woven fiber and the fiber to form water droplets. There is a possibility that the plurality of electrode portions are electrically short-circuited by being connected in a daisy chain.
  • the mounting member 1106 is made of a non-porous film made of a resin such as fluororesin, polyurethane, polyester, nylon, polyethylene, polypropylene, vinyl chloride, a microporous film with water-repellent pores, or a void between fibers made of polyester. It is desirable that the film be pre-filled with a waterproof and electrically insulating resin such as nylon.
  • the attachment member 1106 may be a member that can maintain electrical insulation even when exposed to a large amount of moisture, or may be a semipermeable membrane.
  • the distance d is a value to be designed according to the material and surface shape of the mounting member 1106 and does not define the present invention. For example, when a polyurethane nonporous film is used as the mounting member 1106, the distance d is 3 mm. By doing so, the intended purpose can be achieved. Also, if the waterproof attachment member 1106 touches the skin when the wearer wears the garment 1100, sweat may not be absorbed and discomfort may occur, so the size of the attachment member 1106 satisfies the above conditions. In addition, it is desirable to design so as to be as small as possible.
  • a method of fixing the attachment member 1106 to the clothing 1100 there are a method of sewing the outer edge portion of the attachment member 1106 to the clothing 1100, a method of fixing by adhesion, and the like.
  • an adhesive depending on the combination of the material of the garment 1100 (for example, a mixed product of cotton, rayon, hair, etc.) and the adhesive, the adhesive force is small, and the attachment member 1106 is easily peeled May end up. Therefore, as illustrated in FIG. 3, a fixing auxiliary cloth 1110 having a larger adhesive force with the adhesive than the clothing 1100 may be provided between the attachment member 1106 and the clothing 1100.
  • the fixing auxiliary cloth 1110 is any one of a woven fabric, a knitted fabric, and a non-woven fabric containing at least one of polyester, nylon, acrylic, and urethane. In particular, synthetic fibers such as polyester and nylon can be suitably used.
  • the fixing auxiliary cloth 1110 can be fixed by sewing to the clothing 1100.
  • the material used for the garment 1100 is selected in consideration of comfort and functionality by using the fixing auxiliary cloth 1110 having an adhesive strength greater than that of the garment 1100 and the adhesive. Even when the adhesive force between the garment 1100 and the adhesive is small, an effect of maintaining the peeling durability by washing or the like can be obtained.
  • the insulating member 1105 is not particularly limited as long as it is a waterproof and electrically insulating member.
  • a synthetic resin material such as polyester or nylon can be used.
  • the attachment member 1106 when the insulating member 1105 is in the form of a woven or knitted fabric of fiber material, when exposed to a large amount of moisture, moisture is supported in the gap between the woven fiber and the fiber to form water droplets. There is a possibility that the plurality of electrode portions may be electrically short-circuited through ions contained in water.
  • the size of the insulating member 1105 may be a size including the wirings 1103a and 1103b to be electrically insulated. However, as in the case of the attachment member 1106, if the waterproof member touches the skin when the wearer wears the garment 1100, sweat may not be absorbed and discomfort may occur. Small is desirable.
  • the fixing of the insulating member 1105 to the attachment member 1106 there are a method of sewing the insulating member 1105, a method of fixing by bonding, or the like. As described above, when an adhesive tape is used as the insulating member 1105, the fixing of the wirings 1103a and 1103b and the insulating coating can be achieved simultaneously.
  • the material and shape of the clothing 1100 are not particularly limited, and may be changed according to the type of bioelectric signal to be detected.
  • a clothing shape including a chest close to the heart of the living body 1000 is desirable, and for example, a shape such as a shirt, a bra, and a stomach wrap is desirable.
  • shapes such as spats, pants and trousers are desirable, but the present invention is not limited to such clothing shapes.
  • the electrode portions 1101a and 1101b are preferably in close contact with the skin of the living body 1000 at a pressure of 0.1 kPa or more and 2.0 kPa or less, and may be in close contact with each other using a belt or the like.
  • the electrode portions 1101a and 1101b, the connectors 1102a and 1102b, and the wirings 1103a and 1103b are attached to the waterproof and electrically insulating mounting member 1106, and the living body 1103a and 1103b have a living body.
  • a waterproof and electrically insulating insulating member 1105 By covering the portion in contact with 1000 with a waterproof and electrically insulating insulating member 1105, even if the clothing 1100 is wet with sweat or the like, a short circuit between the wirings 1103a and 1103b and the living body 1000, or a plurality A short circuit between the electrode portions 1101a and 1101b can be prevented, and a desired bioelectric signal can be acquired.
  • the area of the attachment member 1106 is larger than the electrode portions 1101a and 1101b, the connectors 1102a and 1102b, and the wires 1103a and 1103b, and the outer edge of the attachment member 1106 extends along the skin surface of the living body 1000.
  • 1101b, the connectors 1102a, 1102b, and the wires 1103a, 1103b, and the outer edges of the wirings 1103a, 1103b are projected over a predetermined distance d, so that when the clothes 1100 gets wet with sweat or the like, It is possible to prevent the electrical signal from being mixed into the bioelectric signal acquired by the electrode portions 1101a and 1101b.
  • the connectors 1102a and 1102b are arranged on the surface of the mounting member 1106 that contacts the living body 1000, the connector on the bioelectric signal measuring device side connected to the connectors 1102a and 1102b does not contact the living body 1000. Thus, it is desirable that the connectors 1102a and 1102b be covered with an insulating member.
  • FIG. 4 is a schematic view showing a state where the wearable electrode according to the second embodiment of the present invention is attached to a living body
  • FIG. 5 is a cross-sectional view taken along the line BB ′ of the wearable electrode of FIG. Similar components are denoted by the same reference numerals. In FIG. 5, only one set of electrode portion, wiring, and connector are shown.
  • the wearable electrode of this embodiment insulates the electrode portions 1101a and 1101b, the connectors 1102c and 1102d, the wirings 1103a and 1103b, the insulating member 1105, the attachment member 1106, the connectors 1102c and 1102d, and the clothing 1100.
  • a waterproof and electrically insulating insulating member 1107 and a garment 1100 to which the attachment member 1106 is fixed are configured.
  • the connectors 1102c and 1102d When using the connectors 1102c and 1102d in a form that is assumed to be fixed by caulking the front and back of the button penetrating the base material, such as a metal dot button, at least the surface of the clothing 1100 (contact with the living body 1000) Electrically insulate between the connector 1102c and 1102d and the side surface of the through-hole 1200 formed in the garment 1100 to provide the connector 1102c and 1102d.
  • a waterproof and electrically insulating insulating member 1107 is provided.
  • the insulating member 1107 is not particularly limited as long as it is a waterproof and electrically insulating member.
  • a synthetic resin material such as polyester or nylon can be used.
  • the insulating member 1105 when the insulating member 1107 is in the form of a woven or knitted fabric of fiber material, when exposed to a large amount of moisture, the moisture is supported in the gap between the woven fiber and the fiber, There is a possibility that the plurality of electrode portions may be electrically short-circuited through the ions contained in the.
  • the insulating member 1107 is made of a non-porous film made of a resin such as fluororesin, polyurethane, polyester, or nylon, a microporous film in which the pores are water-repellent, or a gap between fibers with a waterproof property such as polyester or nylon. It is desirable that the film be pre-filled with an electrically insulating resin. Further, the insulating member 1107 may be a member that can maintain electrical insulation even when exposed to a large amount of moisture, or may be a semipermeable membrane.
  • through holes through which the connectors 1102c and 1102d pass are formed in advance. After fixing the attachment member 1106 to the clothing 1100 and fixing the electrode portions 1101a and 1101b and the wires 1103a and 1103b to the attachment member 1106, through holes are made in the clothing 1100, the attachment member 1106, and the wires 1103a and 1103b. At this time, at least the through hole 1200 provided in the clothing 1100 is a hole having a larger diameter than the portion of the connectors 1102c and 1102d that penetrates the clothing 1100.
  • the connectors 1102c and 1102d are inserted into the through holes of the insulating member 1107, the mounting member 1106, and the wirings 1103a and 1103b, and the front and back of the connectors 1102c and 1102d are Caulking. Thereby, fixing of the connectors 1102c and 1102d and the insulating member 1107, insulation coating of the connectors 1102c and 1102d, and electrical connection between the connectors 1102c and 1102d and the wires 1103a and 1103b can be achieved at the same time.
  • the attachment member 1106 and the insulating member 1107 are pulled into the through-holes of the clothing 1100 formed by the attachment of the connectors 1102c and 1102d due to the frictional force at the time of attachment of the connectors 1102c and 1102d, and thus the connectors 1102c and 1102d and the clothing 1100 can be prevented from contacting, and a structure equivalent to the case of FIG. 2 can be realized.
  • an insulating member 1107 may be formed in advance on the surface of the portion of the connectors 1102c, 1102d that contacts the clothing 1100, excluding the conductive portion for connection with the bioelectric signal measuring device.
  • the insulating member 1107 in addition to the above-described materials, polyester-based, urethane-based, and acrylate-based insulating materials can be used.
  • a method for forming the insulating member 1107 there are methods such as coating and electrodeposition. By forming the insulating member 1107 in advance, the process of fixing the insulating member 1107 can be simplified.
  • connectors 1102c and 1102d in a form that is assumed to be fixed by caulking the front and back of a button penetrating the base material, such as a metal dot button, bioelectricity connected to the connectors 1102c and 1102d is used.
  • the connectors 1102c and 1102d may be detached from the clothing 1100 due to the force when the signal measuring device is attached / detached. Therefore, as illustrated in FIG. 7, a reinforcing member 1108 having a Young's modulus larger than that of the clothing 1100 may be provided between the connectors 1102 c and 1102 d and the clothing 1100.
  • a method of fixing the reinforcing member 1108 to the clothing 1100 there are a method of fixing at least a part of the outer peripheral portion of the reinforcing member 1108 with an adhesive tape, a method of fixing by adhesion, and the like.
  • the adhesive tape used for fixing the reinforcing member 1108, the above waterproof tape is particularly suitable.
  • a claw 1400 for hooking the reinforcing member 1108 on the clothing 1100 may be provided on the reinforcing member 1108.
  • the reinforcing member 1108 When the reinforcing member 1108 includes the claw 1400 and is disposed so as to be in contact with the connectors 1102c and 1102d, the reinforcing member 1108 is made of a waterproof and electrically insulating material.
  • a material of the reinforcing member 1108 known organic resins such as polyethylene, polyvinyl chloride, polystyrene, polypropylene, acrylic resin, ABS resin, polyamide, and polycarbonate can be used.
  • the reinforcing member 1108 is previously formed with through holes through which the connectors 1102c and 1102d pass.
  • the reinforcing member 1108 is fixed to the clothing 1100 from above the insulating member 1107. Then, the connectors 1102c and 1102d are inserted into the through holes of the reinforcing member 1108, the insulating member 1107, the attachment member 1106, and the wirings 1103a and 1103b, and the front and back of the connectors 1102c and 1102d are crimped.
  • the connectors 1102c and 1102d, the insulating member 1107 and the reinforcing member 1108 are fixed, the connectors 1102c and 1102d are fixedly fixed, the connectors 1102c and 1102d are covered with insulation, and the connectors 1102c and 1102d and the wires 1103a and 1103b are electrically connected. Connection can be achieved simultaneously.
  • the reinforcing member 1108 can be disposed between the insulating member 1107 and the clothing 1100.
  • the reinforcing member 1108 since the reinforcing member 1108 does not contact the connectors 1102c and 1102d, the reinforcing member 1108 may be formed of a conductive material, and a known metal material such as stainless steel, aluminum, or brass can be used. . Further, as the reinforcing member 1108, a cloth material having a Young's modulus larger than that of the clothing 1100 may be used.
  • the material of the insulating member 1105 is the same as that of the first embodiment. However, when parts of the connectors 1102c and 1102d are exposed on the side in contact with the living body 1000 as shown in FIGS. 5 to 7, it is necessary to cover portions of the connectors 1102c and 1102d that are in contact with the living body 1000 with the insulating member 1105.
  • metal dot button buttons for the connectors 1102c and 1102d if the side of the mounting bracket that comes into contact with the living body 1000 is previously coated with an insulating resin, it can be used as an alternative to the insulating member 1105 of the connector portion. it can.
  • the attachment member 1106 and the clothing 1100 may be the same as in the first embodiment.
  • the electrode portions 1101a and 1101b and the wirings 1103a and 1103b are attached to the waterproof and electrically insulating attachment member 1106, and the connectors 1102c and 1102d are attached to the clothing 1100, and the connectors 1102c and 1102d are attached.
  • a portion that contacts the living body 1000 is covered with a waterproof and electrically insulating insulating member 1105, and a waterproof and electrically insulating insulating member is provided between the clothing 1100 and the connectors 1102c and 1102d.
  • the reinforcement of the connectors 1102c and 1102d can be reinforced by providing the reinforcing member 1108.
  • the reinforcing member 1108 In this embodiment, even when a stretchable garment 1100 is used, an event in which the connectors 1102c and 1102d are detached from the garment 1100 due to a force when the bioelectric signal measuring device is detached from the connectors 1102c and 1102d is prevented. It is possible to improve the durability of the bioelectrode.
  • a stretchable material can be used for the clothing 1100, the contact of the electrode portions 1101a and 1101b with the skin of the living body can be stabilized, and a desired bioelectric signal can be stabilized for a long period of time. And can be obtained.
  • FIG. 8 is a schematic view showing a state where the wearable electrode according to the third embodiment of the present invention is mounted on a living body
  • FIG. 9 is a cross-sectional view taken along the line CC ′ of the wearable electrode of FIG. Similar components are denoted by the same reference numerals. In FIG. 9, only one set of electrode part, wiring, and connector are shown.
  • the wearable electrode of this embodiment includes electrode portions 1101a and 1101b, connectors 1102c and 1102d, wirings 1103c and 1103d, an insulating member 1105, an attachment member 1106, an insulating member 1107a, and a clothing 1100.
  • the electrode portions 1101a and 1101b may be the same as those in the first and second embodiments.
  • the connectors 1102c and 1102d are arranged such that the conductive part for connection with the bioelectric signal measuring device is exposed on the surface of the clothing 1100 opposite to the surface in contact with the living body 1000. .
  • the material of the wirings 1103c and 1103d may be the same as that of the wirings 1103a and 1103b of the first and second embodiments, but in this embodiment, as shown in FIG. 9, the electrode portions 1101a and 1101b and the connectors 1102c, The wirings 1103c and 1103d are pulled out through the through-hole 1201 formed in the clothing 1100 between the clothing 1101d and the opposite side of the clothing 1100 in contact with the living body 1000.
  • the size and material of the attachment member 1106a may be the same as those of the attachment member 1106 of the first and second embodiments, but the attachment member 1106a is formed by the surface of the clothing 1100 that contacts the living body 1000 and the wirings 1103c and 1103d.
  • the side surfaces of the through holes 1201 formed in the clothing 1100 and the wirings 1103c and 1103d are electrically insulated. Thereby, it can prevent that the clothing 1100 and wiring 1103c, 1103d contact.
  • the material of the insulating member 1107a may be the same as that of the insulating member 1107 of the first and second embodiments, but the insulating member 1107a is at least the surface of the clothing 1100 (the surface opposite to the surface in contact with the living body 1000). Between the connector 1102c and 1102d, between the side surface of the through-hole 1200 formed in the clothing 1100 to provide the connectors 1102c and 1102d and the connectors 1102c and 1102d, and in the clothing 1100 to pass the wires 1103c and 1103d. The side surface of the through-hole 1201 is provided so as to be electrically insulated from the wirings 1103c and 1103d.
  • the side surfaces of the through holes 1201 on the electrode portions 1101a and 1101b side are covered with the mounting member 1106a, and the side surfaces on the connectors 1102c and 1102d side are covered with the insulating member 1107a.
  • the present invention is not limited thereto, and as in the case of the through hole 1200, the side surfaces of the through hole 1201 may be entirely covered with the insulating member 1107a.
  • the attachment member 1106a may cover both the front and back surfaces of the wirings 1103c and 1103d.
  • the attachment member 1106a is fixed to the clothing 1100, and the electrode portions 1101a and 1101b and the wirings 1103c and 1103d are fixed to the attachment member 1106a. 1103c and 1103d are pulled out from the through hole 1201 to the opposite side of the clothing 1100 that contacts the living body 1000, and the insulating member 1107a is attached so as to be inserted into the through holes 1200 and 1201 of the clothing 1100.
  • the connectors 1102c and 1102d are inserted into the through holes between the wirings 1103c and 1103d and the insulating member 1107a, and the front and back of the connectors 1102c and 1102d are inserted. Close. Thereby, the fixation of the connectors 1102c and 1102d, the wirings 1103c and 1103d and the insulating member 1107a, the insulating coating of the connectors 1102c and 1102d, and the electrical connection between the connectors 1102c and 1102d and the wirings 1103c and 1103d can be achieved at the same time. .
  • the material of the insulating member 1105 is the same as that of the first embodiment, but it is necessary to cover the portions of the connectors 1102c and 1102d that are in contact with the living body 1000 with the insulating member 1105, as in the second embodiment.
  • the clothes 1100 may be the same as in the first embodiment.
  • the reinforcing member 1108 described in the second embodiment may be applied to the third embodiment.
  • the wearable electrode having the structure shown in FIGS. 1 and 2 was manufactured using the following members.
  • the electrode parts 1101a and 1101b are prepared by applying a dispersion in which 1 wt% of PEDOT / PSS as a conductive component and 5 wt% of an acrylic thermosetting resin as a binder are dispersed to a circular knitted fabric of a smooth structure of polyester nanofibers by a gravure coating method. It was prepared by applying so that the drug application amount was 15 g / m 2 .
  • a bare top fabric made of a 32T circular knitting machine made of 84T-36F polyester false twisted yarn and 33T polyurethane elastic yarn was used.
  • 110T-34 made of silver-plated yarn “AGposs” manufactured by Mitsuji Fuji Textile Co., Ltd. in a ribbon shape was used.
  • the insulating member 1105 polyurethane waterproof seam tape “ ⁇ E-110” manufactured by Toray Cortex Co., Ltd. was used.
  • the attachment member 1106 a hot-melt adhesive was used on the same non-adhesive surface of the waterproof seam tape as the insulating member 1105.
  • a wearable electrode having the structure shown in FIG. 3 was produced using the same member as that of Sample 1 described above.
  • the electrode portions 1101a and 1101b, the connectors 1102a and 1102b, and the wirings 1103a and 1103b were attached to the fixing auxiliary cloth 1110 via the attaching member 1106, and then the fixing auxiliary cloth 1110 was fixed to the garment 1100 with a hot melt adhesive.
  • the same material as the clothing 1100 was used for the fixed auxiliary cloth 1110.
  • Example 3 A bare fabric made by using a 32 gauge circular knitting machine with the same structure as the sample 2 above, but with only a garment 1100 made of 40th cotton spinning, which is a natural material, and 33T polyurethane elastic yarn was used.
  • the fixing auxiliary cloth 1110 was fixed to the clothing 1100 by sewing.
  • a wearable electrode in which the electrode parts 1101a and 1101b were fixed to the garment 1100 with a hot melt adhesive without using the attachment member 1106 was produced using the same member as the sample 1 described above.
  • the current-carrying part A resistance is the electrical resistance between the electrode part 1101a and the connector 1102a
  • the current-carrying part B resistance is the electrical resistance between the electrode part 1101b and the connector 1102b
  • the insulation part A resistance is the electrical resistance between the electrode part 1101a and the electrode part 1101b
  • the part B resistance is the electrical resistance between the electrode part 1101a and the clothing 1100
  • the insulation part C resistance is the electrical resistance between the electrode part 1101b and the clothing 1100.
  • the attenuation value of the electrocardiogram waveform is a value based on the amplitude value of the peak-to-peak (Peak ⁇ to Peak) of the electrocardiogram waveform before the wearable electrode is immersed in acidic artificial sweat.
  • an acidic artificial sweat fluid defined in JIS L 0848 (2004) was prepared as follows. Specifically, an acidic artificial sweat solution was prepared by dissolving 0.5 g of L-histidine hydrochloride monohydrate, 5 g of sodium chloride and 2.2 g of sodium dihydrogen phosphate dihydrate in water, and adding 0.1 mol / About 15 ml of L sodium hydroxide solution and water were added to adjust the pH to 5.5 and the whole volume to about 1 L.
  • the present invention relates to a technique that makes it possible to acquire a desired bioelectric signal even when the clothes contain moisture such as sweat.
  • the present invention relates to health management in daily life, jogging, grasping of biometric data during marathons and other sports, labor management in outdoor work such as construction sites, road construction, overhead wire maintenance, bus and truck drivers, coal miners It can be applied to labor management of firefighters, rescue workers, etc.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
PCT/JP2015/084270 2014-12-08 2015-12-07 生体電極および衣類 WO2016093194A1 (ja)

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KR1020177015675A KR101979335B1 (ko) 2014-12-08 2015-12-07 생체전극과 의복
EP15868269.0A EP3231364B1 (en) 2014-12-08 2015-12-07 Bioelectrode and garment
ES15868269T ES2784656T3 (es) 2014-12-08 2015-12-07 Bioelectrodo y prenda de vestir
CN201580066592.XA CN107249448B (zh) 2014-12-08 2015-12-07 生物电极和服装
JP2016563668A JP6386582B2 (ja) 2014-12-08 2015-12-07 生体電極および衣類
CA2969646A CA2969646C (en) 2014-12-08 2015-12-07 Bioelectrode and garment
AU2015362507A AU2015362507B2 (en) 2014-12-08 2015-12-07 Bioelectrode and garment
US15/533,982 US10799136B2 (en) 2014-12-08 2015-12-07 Bioelectrode and garment

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US10799136B2 (en) 2020-10-13
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